Messages in this thread Patch in this message | | | Date | Thu, 12 Aug 2021 15:13:03 -0000 | From | "irqchip-bot for Valentin Schneider" <> | Subject | [irqchip: irq/irqchip-next] genirq: Define ack_irq() and eoi_irq() helpers |
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The following commit has been merged into the irq/irqchip-next branch of irqchip:
Commit-ID: 635e4fd40660d189e1a83973ddd663abf7bbc849 Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/635e4fd40660d189e1a83973ddd663abf7bbc849 Author: Valentin Schneider <valentin.schneider@arm.com> AuthorDate: Tue, 29 Jun 2021 13:49:59 +01:00 Committer: Marc Zyngier <maz@kernel.org> CommitterDate: Thu, 12 Aug 2021 15:48:19 +01:00
genirq: Define ack_irq() and eoi_irq() helpers
The newly-added IRQCHIP_AUTOMASKS_FLOW flag requires some additional bookkeeping around chip->{irq_ack, irq_eoi}() calls. Define wrappers around those chip callbacks to drive the IRQD_IRQ_FLOW_MASKED state of an IRQ when the chip has the IRQCHIP_AUTOMASKS_FLOW flag.
Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210629125010.458872-3-valentin.schneider@arm.com --- kernel/irq/chip.c | 16 ++++++++++++++++ kernel/irq/internals.h | 2 ++ 2 files changed, 18 insertions(+)
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 21a21ba..793dbd8 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -408,6 +408,22 @@ void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu) cpumask_clear_cpu(cpu, desc->percpu_enabled); } +void ack_irq(struct irq_desc *desc) +{ + desc->irq_data.chip->irq_ack(&desc->irq_data); + + if (desc->irq_data.chip->flags & IRQCHIP_AUTOMASKS_FLOW) + irq_state_set_flow_masked(desc); +} + +void eoi_irq(struct irq_desc *desc) +{ + desc->irq_data.chip->irq_eoi(&desc->irq_data); + + if (desc->irq_data.chip->flags & IRQCHIP_AUTOMASKS_FLOW) + irq_state_clr_flow_masked(desc); +} + static inline void mask_ack_irq(struct irq_desc *desc) { if (desc->irq_data.chip->irq_mask_ack) { diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index b6c1cce..6d6a621 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -87,6 +87,8 @@ extern void irq_enable(struct irq_desc *desc); extern void irq_disable(struct irq_desc *desc); extern void irq_percpu_enable(struct irq_desc *desc, unsigned int cpu); extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu); +extern void ack_irq(struct irq_desc *desc); +extern void eoi_irq(struct irq_desc *desc); extern void mask_irq(struct irq_desc *desc); extern void unmask_irq(struct irq_desc *desc); extern void unmask_threaded_irq(struct irq_desc *desc);
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